CLI Reference Guide-R01

Chapter 11 | Interface Commands
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capabilities This command advertises the port capabilities of a given interface during auto-
negotiation. Use the no form with parameters to remove an advertised capability,
or the no form without parameters to restore the default values.
Syntax
[no] capabilities {1000full | 100full | 100half | 10full | 10half | flowcontrol}
1000full - Supports 1 Gbps full-duplex operation
100full - Supports 100 Mbps full-duplex operation
100half - Supports 100 Mbps half-duplex operation
10full - Supports 10 Mbps full-duplex operation
10half - Supports 10 Mbps half-duplex operation
flowcontrol - Supports flow control
Default Setting
1000BASE-T: 10half, 10full, 100half, 100full, 1000full
1000BASE (SFP): 1000full
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
◆ When auto-negotiation is enabled with the negotiation command, the switch
will negotiate the best settings for a link based on the capabilities command.
When auto-negotiation is disabled, you must manually specify the link
attributes with the speed-duplex and flowcontrol commands.
Example
The following example configures Ethernet port 5 capabilities to include 100half
and 100full.
Console(config)#interface ethernet 1/5
Console(config-if)#capabilities 100half
Console(config-if)#capabilities 100full
Console(config-if)#capabilities flowcontrol
Console(config-if)#
Related Commands
negotiation (402)
speed-duplex (403)
flowcontrol (400)